欢迎您！东篱公司
退出
-
申报数据库
-
立项数据库
-
成果数据库
-
项目获奖数据库
中文摘要：
以头寨滑坡为代表的峨眉山玄武岩质滑坡广泛发育为大型高速远程滑坡碎屑流，危害巨大，而对此类滑坡的堆积体粒度组成还缺乏比较系统的研究。为此，以头寨滑坡为研究对象，通过对滑坡堆积体分别进行现场筛分试验、淋滤块石粒度调查、巨石等效粒径调查和粘土取样分析，结合室内试验，对滑坡堆积体的粒度组成有了一个从大到小全方位的认识：滑坡堆积体自上而下粒径分布规律差别不大，主体分布在-6φ到-3φ之间；巨石比例不足1％，推断来自滑源区失稳岩体底部基岩；粘土所占比例更小，却对源岩体岩质劣化有重要的对照意义。
英文摘要：
The Emeishan basalt landslide with the landslide in Touzhai of Yunnan, China as a representative is wide- ly developed into a large long-distance and high-speed landslide-debris flow which is dangerous, while grain-size composition of deposit body for such kind of landslide is still lack of systematic study. This paper takes the Touzhai landslide of Zhaotong, Yunnan province, China as study object, combining with the laboratory experiment, through the field sieving experiment, investigation of the grain size of leaching block stones and huge stone and clay sam- piing analysis, the grain-size composition of deposit body is understood omnibearingly ranging from large to small. The results show that there are little difference in the distribution of grain size of the landslide deposits which mainly range from -6 d~ to -3 d~ from above downward. Based on the hugestones ratio less than 1%, the hugestones can be inferred to be the bottom bedrock of instability rock in slippery source area. The clay counts for the least though, it has important control significance in the degradation to rock quality.
同期刊论文项目
同项目期刊论文
期刊信息
位置：